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/*
 * Copyright 2017 OpenMarket Ltd
 * Copyright 2017 Vector Creations Ltd
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.matrix.olm;

import java.io.IOException;

/**
 * Exception class to identify specific Olm SDK exceptions.
 */
public class OlmException extends IOException {
    // exception codes

    public static final int EXCEPTION_CODE_INIT_ACCOUNT_CREATION = 10;

    public static final int EXCEPTION_CODE_ACCOUNT_SERIALIZATION = 100;
    public static final int EXCEPTION_CODE_ACCOUNT_DESERIALIZATION = 101;
    public static final int EXCEPTION_CODE_ACCOUNT_IDENTITY_KEYS = 102;
    public static final int EXCEPTION_CODE_ACCOUNT_GENERATE_ONE_TIME_KEYS = 103;
    public static final int EXCEPTION_CODE_ACCOUNT_ONE_TIME_KEYS = 104;
    public static final int EXCEPTION_CODE_ACCOUNT_REMOVE_ONE_TIME_KEYS = 105;
    public static final int EXCEPTION_CODE_ACCOUNT_MARK_ONE_KEYS_AS_PUBLISHED = 106;
    public static final int EXCEPTION_CODE_ACCOUNT_SIGN_MESSAGE = 107;

    public static final int EXCEPTION_CODE_CREATE_INBOUND_GROUP_SESSION = 200;
    public static final int EXCEPTION_CODE_INIT_INBOUND_GROUP_SESSION = 201;
    public static final int EXCEPTION_CODE_INBOUND_GROUP_SESSION_IDENTIFIER = 202;
    public static final int EXCEPTION_CODE_INBOUND_GROUP_SESSION_DECRYPT_SESSION = 203;
    public static final int EXCEPTION_CODE_INBOUND_GROUP_SESSION_FIRST_KNOWN_INDEX = 204;
    public static final int EXCEPTION_CODE_INBOUND_GROUP_SESSION_IS_VERIFIED = 205;
    public static final int EXCEPTION_CODE_INBOUND_GROUP_SESSION_EXPORT = 206;

    public static final int EXCEPTION_CODE_CREATE_OUTBOUND_GROUP_SESSION = 300;
    public static final int EXCEPTION_CODE_INIT_OUTBOUND_GROUP_SESSION = 301;
    public static final int EXCEPTION_CODE_OUTBOUND_GROUP_SESSION_IDENTIFIER = 302;
    public static final int EXCEPTION_CODE_OUTBOUND_GROUP_SESSION_KEY = 303;
    public static final int EXCEPTION_CODE_OUTBOUND_GROUP_ENCRYPT_MESSAGE = 304;

    public static final int EXCEPTION_CODE_INIT_SESSION_CREATION = 400;
    public static final int EXCEPTION_CODE_SESSION_INIT_OUTBOUND_SESSION = 401;
    public static final int EXCEPTION_CODE_SESSION_INIT_INBOUND_SESSION = 402;
    public static final int EXCEPTION_CODE_SESSION_INIT_INBOUND_SESSION_FROM = 403;
    public static final int EXCEPTION_CODE_SESSION_ENCRYPT_MESSAGE = 404;
    public static final int EXCEPTION_CODE_SESSION_DECRYPT_MESSAGE = 405;
    public static final int EXCEPTION_CODE_SESSION_SESSION_IDENTIFIER = 406;

    public static final int EXCEPTION_CODE_UTILITY_CREATION = 500;
    public static final int EXCEPTION_CODE_UTILITY_VERIFY_SIGNATURE = 501;

    // exception human readable messages
    public static final String EXCEPTION_MSG_INVALID_PARAMS_DESERIALIZATION = "invalid de-serialized parameters";

    /** exception code to be taken from: {@link #EXCEPTION_CODE_CREATE_OUTBOUND_GROUP_SESSION}, {@link #EXCEPTION_CODE_CREATE_INBOUND_GROUP_SESSION},
     * {@link #EXCEPTION_CODE_INIT_OUTBOUND_GROUP_SESSION}, {@link #EXCEPTION_CODE_INIT_INBOUND_GROUP_SESSION}..**/
    private final int mCode;

    /** Human readable message description **/
    private final String mMessage;

    public OlmException(int aExceptionCode, String aExceptionMessage) {
        super();
        mCode = aExceptionCode;
        mMessage = aExceptionMessage;
    }

    public int getExceptionCode() {
        return mCode;
    }

    @Override
    public String getMessage() {
        return mMessage;
    }
}